/**
 * 显示大图
 */
function bigImage() {
	document.getElementById("smallImage").style.display = "none";
	document.getElementById("bigImage").style.display = "block";
}
/**
 * 显示小图
 */
function smallImage() {
	document.getElementById("bigImage").style.display = "none";
	document.getElementById("smallImage").style.display = "block";
}
/**
 *使用插件的functionValidator校验输入是否有中文时，调用的函数
 */
function chineseValidator(val) {
	var flag = isChinese(val);
	if (flag == true) {
		return "All the characters must be entered in English!";
	} else {
		return true;
	}
}

function webSiteValidator(val){
	if(val == "http://"){
		return true;
	}else{
		var urlPattern = /^(http[s]?:\/\/)?([\w-]+\.)+[\w-]+([\w-./?%&=]*)?$/;
		if(urlPattern.test(val)){
			return true;
		}else{
			return "Please input a valid Website.";
		}
	}
}
/**
 * 目录选择
 */

/**
 * 按比例将图片放大或缩小,该方法需要Browser支持onmousewheel(鼠标滚轮)事件
 * 例：<img src="image.jpg" onmousewheel="return imgZoom(this,20,150)" >
 * @param img 图片 object
 */
function imgZoom(img) {
	var zoom = parseInt(img.style.zoom, 10) || 100;
	zoom += event.wheelDelta / 12;
	if (zoom > 0) {
		img.style.zoom = zoom + "%";
	}
	return false;
}
/**
 * 调节图片的长度和宽度做限制,自定义高宽
 * 长度和宽度哪个超出就限制哪个，如果都不超出则原尺寸
 * 例：<img src="image.jpg" onload="setImgWH(this,imgW,imgH) >
 * @param img img object
 * @param imgW 限制宽度
 * @param imgH 限制高度
 */
function setImgWH(img, imgW, imgH) {
	var imgObj = new Image();
	imgObj.src = img.src;
	if ((imgObj.width != 0) && (imgObj.height != 0)) {
		if (imgObj.width >= imgW || imgObj.height >= imgH) {
			var iHeight = imgObj.height * imgW / imgObj.width;
			if (iHeight <= imgH) {
				img.width = imgW;
				img.height = iHeight;
			} else {
				var iWidth = imgObj.width * imgH / imgObj.height;
				img.width = iWidth;
				img.height = imgH;
			}
		} else {
			img.width = imgObj.width;
			img.height = imgObj.height;
		}
	} else {
		img.width = imgW;
		img.height = imgH;
	}
}
function setImg65(img) {
	setImgWH(img, 65, 65);
}
function setImg75(img) {
	setImgWH(img, 75, 75);
}
function setImg100(img) {
	setImgWH(img, 100, 100);
}
function setImg240(img) {
	setImgWH(img, 240, 240);
}
function setImg240x180(img) {
	setImgWH(img, 240, 180);
}
function setImgWHLogo(img) {
	setImgWH(img, 100, 100);
}
function setImgWHFace(img) {
	setImgWH(img, 240, 180);
}
function setImgWHMenu(img) {
	setImgWH(img, 180, 180);
}
function setImgWHMid(img) {
	setImgWH(img, 240, 240);
}
function setImgWHMin(img) {
	setImgWH(img, 100, 100);
}